Subaru Legacy IV (2008 year). Service manual — part 303
EN(H4DOTC)(diag)-33
General Scan Tool
ENGINE (DIAGNOSTICS)
7. MODE $07
Refer to the data of DTC (pending code) for troubleshooting result about emission in the first time.
8. MODE $09
Refer to the data of vehicle specification (V.I.N., calibration ID, etc.).
EN(H4DOTC)(diag)-34
Subaru Select Monitor
ENGINE (DIAGNOSTICS)
9. Subaru Select Monitor
A: OPERATION
1. HOW TO USE THE SUBARU SELECT
MONITOR
1) Prepare the Subaru Select Monitor kit. <Ref. to
EN(H4DOTC)(diag)-7, PREPARATION TOOL,
General Description.>
2) Prepare PC with Subaru Select Monitor in-
stalled.
3) Connect the USB cable between SDI (Subaru
Diagnosis Interface) and USB port on the personal
computer (dedicated port for the Subaru Select
Monitor).
NOTE:
The dedicated port for the Subaru Select Monitor
means the USB port which was used to install the
Subaru Select Monitor.
4) Connect the diagnosis cable to SDI.
5) Connect SDI to data link connector located in the
lower portion of the instrument panel (on the driv-
er’s side).
CAUTION:
Do not connect the scan tools except for Suba-
ru Select Monitor and general scan tool.
6) Start the PC.
7) Turn the ignition switch to ON (engine OFF) and
run the “PC application for Subaru Select Monitor”.
8) Call up DTC and data, then record them.
NOTE:
For detailed operation procedures, refer to the “PC
application help for Subaru Select Monitor”.
EN-05692
EN-02533
EN(H4DOTC)(diag)-35
Subaru Select Monitor
ENGINE (DIAGNOSTICS)
2. READ CURRENT DATA FOR ENGINE (NORMAL MODE)
1) On the «Main Menu» display screen, select the {Each System Check}.
2) On the «System Selection Menu» display screen, select the {Engine Control System}.
3) Click the [OK] button after the information of engine type has been displayed.
4) On the «Engine Diagnosis» display screen, select the {Current Data Display & Save}.
5) On the «Current Data Display & Save» display screen, select the {Normal sampling}.
6) Using the scroll key, scroll the display screen up or down until the desired data is shown.
• A list of the support data is shown in the following table.
Contents
Display
Unit of measure
Note (at idling)
Engine Load
Engine Load
%
21.0%
Engine coolant temperature signal
Coolant Temp.
°C or °F
80 — 100°C or
176 — 212°F
A/F correction 1
A/F Correction #1
%
–10 — +10%
A/F learning 1
A/F Learning #1
%
–15 — +15%
Intake manifold absolute pressure
Mani. Absolute Pressure
mmHg, kPa,
inHg or psig
220 — 275 mmHg,
29.5 — 37 kPa,
8.7 — 10 inHg or
4.2 — 5.3 psig
Engine speed signal
Engine Speed
rpm
630 — 770 rpm
(Agree with the tachome-
ter indication)
Meter vehicle speed signal
Vehicle Speed
km/h or MPH
0 km/h or 0 MPH
(at parking)
Ignition timing signal
Ignition Timing
deg
10 — 15 deg
Intake air temperature signal
Intake Air Temp.
°C or °F
20 — 50°C or
68 — 122°F
Intake air amount
Mass Air Flow
g/s or lb/m
2.1 — 3.1 g/s or
0.35 — 0.40 lb/m
Throttle opening angle signal
Throttle Opening Angle
%
2.0 — 2.4%
Rear oxygen sensor voltage
Rear O2 Sensor
V
0 — 1.0 V
Battery voltage
Battery Voltage
V
12 — 15 V
Mass air flow voltage
Air Flow Sensor Voltage
V
1.0 — 1.7 V
Injection 1 pulse width
Fuel Injection #1 Pulse
ms
1.2 — 2.2 ms
Atmospheric pressure
Atmosphere Pressure
mmHg, kPa,
inHg or psig
—
Intake manifold relative pressure
Mani. Relative Pressure
mmHg, kPa,
inHg or psig
(Intake manifold absolute
pressure — atmo-
spheric pressure)
Ignition timing learning value
Learned Ignition Timing
deg
0 deg
Acceleration opening angle signal
Accel. Opening Angle
%
0.0%
Fuel temperature signal
Fuel Temp.
°C or °F
+28°C or 82°F
Primary supercharged pressure control signal
Primary Control
%
0.0%
Purge control solenoid duty ratio
CPC Valve Duty Ratio
%
0 — 25%
Tumble generator valve RH opening signal
TGV Position Sensor R
V
0.81 V
Tumble generator valve LH opening signal
TGV Position Sensor L
V
0.81 V
Fuel pump duty ratio
Fuel Pump Duty
%
30 — 40%
AVCS advance angle amount RH
VVT Adv. Ang. Amount R
deg
5 deg
AVCS advance angle amount LH
VVT Adv. Ang. Amount L
deg
5 deg
Oil flow control solenoid valve duty RH (AVCS)
OCV Duty R
%
0 — 20%
Oil flow control solenoid valve duty LH (AVCS)
OCV Duty L
%
0 — 20%
Oil flow control solenoid valve current RH
OCV Current R
mA
40 — 100 mA
Oil flow control solenoid valve current LH
OCV Current L
mA
40 — 100 mA
A/F sensor current value 1
A/F Sensor #1 Current
mA
–20 — 20 mA
EN(H4DOTC)(diag)-36
Subaru Select Monitor
ENGINE (DIAGNOSTICS)
A/F sensor resistance value 1
A/F Sensor #1 Resistance
:
27 — 35 mA
A/F sensor output lambda 1
A/F Sensor #1
—
1.0
A/F correction 3
A/F Correction #3
%
0.00%
A/F learning 3
A/F Learning #3
%
0.00%
SI drive mode
SI Drive mode
—
I, S or S#
Throttle motor duty
Throttle Motor Duty
%
–5%
Throttle power supply voltage
Throttle Motor Voltage
V
12 — 15 V
Sub throttle sensor voltage
Sub-Throttle Sensor
V
1.5 V
Main throttle sensor voltage
Main-Throttle Sensor
V
0.6 V
Sub accelerator sensor voltage
Sub-Accelerator Sensor
V
1.1 V
Main acceleration sensor voltage
Main-Accelerator Sensor
V
1.0 V
Secondary air supply piping pressure signal
Sec. Air Piping Pressure
mmHg, kPa,
inHg or psig
765 mmHg, 102 kPa,
30.1 inHg or 14.8 psig
Secondary airflow signal
Sec. Air Flow
g/s or lb/m
0.00 g/s or 0.00 lb/m
Memory vehicle speed
Memorized Cruise Speed
km/h or MPH
—
Fuel level sensor resistance
Fuel level resistance
:
4 — 96
:
Odd Meter
Odometer
km
—
#1 cylinder roughness monitor
Roughness Monitor #1
—
0
#2 cylinder roughness monitor
Roughness Monitor #2
—
0
#3 cylinder roughness monitor
Roughness Monitor #3
—
0
#4 cylinder roughness monitor
Roughness Monitor #4
—
0
Knock sensor correction
Knocking Correction
deg
0.0 deg
Fuel tank pressure signal
Fuel Tank Pressure
mmHg, kPa,
inHg or psig
+8.8 mmHg, +1.2 kPa,
+0.4 inHg or +0.2 psig
AT/MT identification terminal
AT Vehicle ID Signal
—
AT vehicle/MT vehicle
Delivery (test) mode terminal
Test Mode Signal
—
OFF
D check request flag
D-check Require Flag
—
OFF
Delivery (test) mode terminal
Delivery Mode Connector
(Test Mode Connector)
—
OFF
Neutral position switch signal
Neutral Position Switch
—
ON
Soft idle switch signal
Idle Switch Signal
—
ON
Ignition switch signal
Ignition Switch
—
ON
Power steering switch signal
P/S Switch Signal
—
OFF input (When OFF)
Air conditioning switch signal
A/C Switch
—
OFF input (When OFF)
Starter switch signal
Starter Switch
—
OFF
Rear oxygen monitor
Rear O2 Rich Signal
—
Rich/Lean
Knocking signal
Knocking Signal
—
None
Crankshaft position sensor signal
Crankshaft Position Sig.
—
ON
Camshaft position sensor signal
Camshaft Position Sig.
—
ON
Rear defogger switch signal
Rear Defogger SW
—
OFF input (When OFF)
Blower fan switch signal
Blower Fan SW
—
OFF input (When OFF)
Light switch signal
Light Switch
—
OFF input (When OFF)
A/C middle pressure switch signal
A/C Mid Pressure Switch
—
OFF input (When OFF)
Air conditioner compressor relay output signal
A/C Compressor Signal
—
OFF output (when OFF)
Radiator fan relay 1 signal
Radiator Fan Relay #1
—
OFF output (when OFF)
Radiator fan relay 2 signal
Radiator Fan Relay #2
—
OFF output (when OFF)
PCV hose assembly diagnosis signal
Blow-by leak Connector
—
Connected
Pressure control solenoid valve signal
PCV Solenoid Valve
—
OFF output (when OFF)
Tumble generator valve output signal
TGV Output
—
None
Tumble generator valve driving signal
TGV Drive
—
Opening direction
Contents
Display
Unit of measure
Note (at idling)
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